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In ball-playing competitive team sports, an interception or pick is a move by a player involving a pass of the ball — whether by foot or hand, depending on the rules of the sport — in which the ball is intended for a player of the same team but caught by a player of the opposing team, who thereby usually gains possession of the ball for their team. It is commonly seen in football, including Canadian and American football, as well as association football, rugby league, rugby union, Australian rules football and Gaelic football. ==American/Canadian football== In American or Canadian football, an interception occurs when a forward pass is caught by a player of the opposing team. This leads to an immediate change of possession during the play: the defender who caught the ball immediately assumes the role of the offense and attempts to move the ball as far towards the opposing end zone as possible. Following the stoppage of play, if the interceptor retained possession of the ball, his team takes over possession at the spot where he was downed. Interceptions are predominantly made by the secondary or (on some occasions) the linebackers, who are usually closest to the quarterback's intended targets, the wide receivers, running backs, and tight ends. Less frequently, a defensive lineman may get an interception from a tipped ball, a near sack, a shovel pass, or a screen pass, but are more likely to force a fumble than get an interception. As soon as a pass is intercepted, everyone on the defense immediately acts as blockers, helping the person with the interception get as much yardage as possible and perhaps a touchdown (commonly called a "pick six"); at the same time, everyone on the offense becomes the defense and may attempt to tackle the ball-carrier. If the intercepting team can run out the clock, the intercepting player may down the ball immediately and not attempt to gain any yardage. This eliminates the chance of a fumble that could be recovered by the other team. There are also player safety implications: when the ball is turned over, the play is now suddenly and unexpectedly moving in the opposite direction. All of the players on offense are instantly susceptible to unexpected blocks, even if not attempting to stop the ball carrier; a hard and unseen block can result in severe injuries. Additionally, offensive players, particularly the quarterback, are often inexperienced tacklers and are at risk of injuring themselves while tackling the ball carrier. Only the interception of a forward pass is recorded statistically as an interception, for both the passer and the intercepting player. If a receiver fails to catch the ball and bobbles or tips it before it is intercepted, even if his action was entirely responsible for the interception, it is always recorded as an interception thrown by the passer. The interception of a lateral pass is recorded as a fumble by the passer. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「interception」の詳細全文を読む スポンサード リンク
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